VX7 Series

The VX7 series drives offer speed control for both asynchronous and synchronous motors, with the option to install encoders on the motor, providing high speed and torque control. Using advanced DSP microcontrollers, these drives support precise speed adjustment and position control for CNC applications with various encoders and synchronous motors.

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  • 33 years of manufacturing experience.
  • An annual production capacity of 40,000 units.
  • The largest drive manufacturer in the Middle East.
  • Certified as a Knowledge-Based Company by the Vice-Presidency for Science and Technology.
  • CE Certificate of the European Community.

Compatible with Various Motor Types

Capable of driving various types of motors: high-speed motors, spindle motors, variable-frequency motors, asynchronous servo motors, and permanent magnet (PM) synchronous motors. 

Closed-Loop Vector Control

Enhanced torque, speed, and position control for higher precision and performance

Position Control: Suitable for machine positioning applications

Torque and speed control to ensure stable motor performance and rapid response with minimal torque fluctuations

Excellent magnetizing control capability to meet acceleration and deceleration requirements

Flying Start Control

Special Functionality for Machine Tools

Precise Spindle Stop: For spindle position control, featuring 7 adjustable positions and 4 reference positions

High-Power Servo Motor Control

Torque adjustment capability in the field-weakening region for electric vehicles

Supports Endat, Sin/Cos, UVW, Incremental, and Resolver Encoders

Advanced Communication Networks

MODBUS RS485

PROFIBUS (Optional)

•Optional) CANopen)

Analog Speed Control and Position Control

Speed Control: The spindle servo motor speed can be smoothly and precisely adjusted via a voltage or analog command provided by the user.

Positioning Function: Select the target position via a combination of positioning terminals and initiate the positioning process through "Spindle Positioning / Return to Zero."

Pulse and Photoelectric Positioning

The spindle position and rotation direction can be controlled via two square-pulse commands with a 90° phase difference using a CNC system. Switching from position control to speed control is also possible.

Performance

Specifications

Inverter Input

Device Power

2.2kW ~ 500kW

Input Voltage

Three-Phase AC 3PH 400V ±10%

Input Current

According to the device rating

Input Frequency

Permissible Range 47~63Hz

Filter EMC

Conducted and radiated noise of all devices complies with standards

  IEC61800-3 C3 Compliance with

Current Bypass Jumper in All Devices EMC For Power Supply System  IT In Class II Environments With high ground impedance, where leakage current to ground may cause system trips An EMC bypass jumper is provided

Standard IEC61800-3 C2 In Class I environments, an external filter is required EMC  is

Harmonic Filter

For ratings above 400 kW, a three-phase line reactor is included.

Inverter Output

Output Voltage

0~400 Volt

Output Frequency

0~400Hz

Overload Capacity

Heavy duty

150% of Rated Current: 1 minute per 10 minutes

180% of Rated Current: 10 seconds

200% of Rated Current: 1 second

Output Frequency Adjustment

Digital potentiometer, analog input, pulse frequency adjustment, multi-step speed setting, configuration PLC Simple Configuration PID Communication Configuration MODBUS  and PROFIBUS and CANOPEN

Speed can be set using combined modes: addition, subtraction, maximum, or minimum

Speed Adjustment via Switches UP and or Down  and combined with reference inputs

Dynamic Braking Unit

Brake Unit for Ratings up to 30kw The brake is built-in for lower power ratings and can be installed externally for higher power ratings.

Control Technology

Control Mode

SVPWM, SVC, VC  (Scalar Mode and Vector Control – Closed-Loop and Open-Loop)

Engine Type

Asynchronous  and Permanent MagnetSynchronousPMSMand High-Power Servo Motors (with Encoders SIN/COS )

Adjustable Speed Ratio

Asynchronous Motor 1:200(SVC)  and Synchronous Motor 1:20(SVC)

and in Closed-Loop Mode 1:1000 (VC)

Adjustable Speed Accuracy

±0.2%(SVC)  and in Closed-Loop Mode (VC) Value ±0.02%

Speed Fluctuation

+0.3%(SVC)

Torque Response

20ms> in Vector Control Mode and Closed-Loop Vector Control (VC) <10ms

Torque Accuracy

10%  in Sensorless Vector Control Mode

Starting Torque

Asynchronous Motor 0.25Hz/150% (SVC)    

 and Synchronous Motor  2.5 Hz/150%(SVC)  

in Closed-Loop Mode 0Hz/150%(VC)  

Switching Frequency

1.2~15kHz  (Factory preset according to the drive power rating)

Network Communication

MODBUS Standard on the inverter I/O card

PROFIBUS card equipped with an Ethernet input for monitoring ( Optional Card)

Card CANOPEN As an Option

Acceleration and Deceleration

Linear and Curved Quadratic S  Shape and selection of four acceleration levels via two digital inputs

Control Panel

The inverter panel is detachable for mounting on control panels

Fault Protection

Fault Protection: Over 30 functions including overvoltage, undervoltage, overheating, input/output phase loss, ground fault, output short circuit, inverter/motor overload, and sudden load reduction (e.g., belt breakage, dry-running pump).

Control Inputs and Outpu

Analog Input

Two Channels (AI1, AI2) 0~10V/0~20mA  and One Channel (AI3)  -10V~+10V

Analog Signal Voltage Detection  20mV

Analog Output

Two Channels (AO1, AO2) 0~10V/0~20mA

Digital Input

Eight Input Channels with Internal Impedance 3.3kand one high-speed pulse channel up to a maximum of 50kHz

Pulse Speed Response Detection 2ms

Digital Output

One High-Speed Pulse Channel and One Transistor Output Open collector

Relay Output

Two Programmable Relay Outputs with Specifications

 3A/ AC250V, 1A/ 30VDC

Common Terminal, Normally Closed (NC)NC) و باز (NO)

Relay 1: RO1A NO, RO1B NC, RO1C

Relay 2: RO2A NO, RO2B NC, RO2C  

 

Encoder

Equipped with an Encoder Card Standard Pulse (up to 100kHz ) and Encoder Card SIN/COS As an Option

Installation Environment

Mounting Method

Wall-mountable, flange-mountable, and for higher kW ratings, can be installed as a standalone panel (Stand aloneis

Ambient Installation Temperature

-10°C ~ +50°C : Device rated power based on maximum 40°C Designed for a maximum ambient temperature of 40 °C. For temperatures above 40 °C up to 50 °C, derate by 1.5% for each additional degree Celsius. Capacity reduction should be considered

Enclosure Protection

IP20

Cooling

Forced Air Cooling via Fan

Device Software Functions

Dual Motor Identification Function

(Motor 1 and Motor 2)

After entering the motor nameplate parameters, this function measures the motor’s electrical parameters either statically or dynamically, registers them in the inverter, and uses them for vector control calculation functions.

In the [Series Name] Drive VX60 Two complete sets of motor parameters are provided and can be selected via a digital switch.

Spindle Stop Function

Four zero positions and seven reference positions

Position Reference

External reference setting capability via switch or pulse position Z Encoder

Servo Control

Shaft Position Control via Pulse Counting

Pulse Division Function

Pulse Output for Speed Control According to the Defined Divider

Flux Control Adjustment Function in the Field Weakening Region

Flux Control Adjustment Function in the Field Weakening Region

Friction Torque Function

Torque Compensation Coefficients at Low and High Speeds

Function AVR for Energy Saving

In applications with light-load conditions, it can reduce network energy consumption by lowering the voltage. Additionally, in networks with fluctuating voltage, it automatically stabilizes the voltage.

Speed or Position Mode Selection ( position control )

via Digital Input

Speed Tracking Function

This function is designed for rotating loads. For such loads, the inverter first detects the rotational speed and then brings the motor to the requested speed.

Length Measurement Function

This function operates in pulse-counting mode

Braking Function DC  and Magnetization

This function features adjustable braking time DC It operates at the beginning of motor start or stop. In addition, the magnetization function pre-magnetizes the motor core before startup to ensure high starting torque.

Integrator Function

This function can adjust the speed control according to the process variable. The feedback input of this integrator can be analog, digital, or via Modbus network. It also includes an integration stop or Pause has also been provided

Vector Control Integrator Functions

Regulator and integrator settings of the vector control algorithm, including speed loop and current loop

Step Speed Function

This function allows selection of up to sixteen preset speeds using four digital inputs.

Function PLC ساده

With this PLC You can repeat sixteen speeds and four types of acceleration within a specified time.

Frequency Window Function

Frequency windows allow the activation of auxiliary processes.

Pulse Counter Function

This function is designed to compare the number of input pulses with two preset digital values and generate a digital output accordingly.

Digital Input Function

Program 40 Type of Function and Hardware Activation as Active high and or Active low and also allows software activation of the function as 1  or 0 is also possible. In addition, it supports programming of on/off delay for the inputs.

Capability for Commands  On/Off and Forward/Reverse Joystick

Digital Output Function

Programmable 28 Types of Functions with Hardware Activation as Active high and or Active low Additionally, it allows programming of delay on make or break of outputs.

Torque Control Function

Adjustable via Analog and Pulse Digital Inputs HDI and Modbus and PROFIBUS

Motor Torque and Braking Torque Upper Limit Settings

Capable of operating in both torque mode and speed control mode in processes via digital input

Motor Vibration Control Function

This function allows different settings for low and high frequencies.

 

Functions for Setting Scalar or SVPWM

Capability to Set Five Types of Curves V/f  with slip compensation gain and torque boost at low frequencies

Independent Voltage and Frequency Control Function

with slip compensation gain and torque boost at low frequencies HDI and communication networks in scalar mode

Frequency Jump Function

Mechanical Vibration Frequency Passing Function

Monitoring Functions

Over 40 Types of Monitorable Drive Parameters   for Monitoring and Troubleshooting

Standards

IEC61800-2 and IEC61800-5-1 included:

Voltage and torque and current rating

Frequency and speed range

Overcurrent/over Torque capability

Power factor measurement

Voltage division

Checking of protective measures

Properties under unusual service conditions

Audible noise

Steady state performance and temperature rise

DC voltage test

IEC 61000-4-2 immunity to electrostatic discharge

IEC 61000-4-3 immunity to radiated electromagnetic fields

IEC 61000-4-4 immunity to electrical fast transient/burst

IEC 61000-4-5 immunity to surge

IEC 61000-4-6 immunity to conducted disturbances induced by radio frequency fields

IEC 61000-4-8 immunity to power frequency magnetic field

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